We need to get "Restricted Area Permits" for Upper Mustang and it's a pile of paperwork (in triplicate) and takes time to complete.
This is why we ask if you can send us:
A) a scan copy of your passport page so we can get the data from it and include in the permit application,
B) a passport-like photo, big enough so we can print on photopaper for the permits. Should be at least 250kb. A photo against a light-coloured neutral background with a phone camera should be fine. We'll photoshop it to the right dimensions here.